Cobalt Stike Beacon Detected – 149[.]28[.]204[.]170:443

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The Information provided at the time of posting was detected as “Cobalt Strike”. Depending on when you are viewing this article, it may no longer be the case and could be determined as being a false positive. Please do your own additional validation. – RedPacket Security

TimeStamp 2021-11-09T10:46:20.284403

Cobalt Strike
Cobalt Strike

General Information

2.8694364073858505e+41
Cloud Provider
Cloud Region
Service
Domainsvultr[.]com
Hostnames149[.]28[.]204[.]170[.]vultr[.]com
HTTP Host149[.]28[.]204[.]170
ISPThe Constant Company, LLC
ORGVultr Holdings, LLC
OSN/A
HTTPN/A
HTTP HTML HASHN/A
HTTP LOCATION/
HTTP REDIRECTS
HTTP ROBOTSN/A
HTTP ROBOTS HASHN/A
HTTP SECURITY.TXTN/A
HTTP SECURITY.TXT HASHN/A
HTTP SERVERN/A
HTTP SITEMAPN/A
HTTP SITEMAP HASHN/A
HTTP TITLEN/A
LOCATION (AREA CODE)N/A
LOCATION (CITY)Mountain View
LOCATION (COUNTRY CODE)US
LOCATION (COUNTRY NAME)United States
LOCATION (LATITUDE)37.38605
LOCATION (LONGITUDE)-122.08385
LOCATION (POSTAL CODE)N/A
SSL SERIAL
SSL EXPIREDtrue
SSL FINGERPRINT (SHA1)ccc1915694e9bb9496c7f482910a09e4cadc0abf
SSL ISSUED20200718174647Z
SSL EXPIRES20201016174647Z
SSL CYPHERECDHE-RSA-AES256-GCM-SHA384
SSL VERSIONTLSv1/SSLv3
SSL TRUST (REVOKED)N/A
TAGS


Cobalt Strike Beacon Information

Beacon TypeHTTPS
http-get.clientAccept: */*, Host: www[.]amazon[.]com, session-token=, skin=noskin;, csm-hit=s-24KU11BB82RZSYGJ3BDK|1419899012996, Cookie
http-post.clientAccept: */*, Content-Type: text/xml, X-Requested-With: XMLHttpRequest, Host: www[.]amazon[.]com, sz=160×600, oe=oe=ISO-8859-1;, sn, s=3717, dc_ref=http%3A%2F%2Fwww[.]amazon[.]com
DNS Beacon MaxDNSN/A
DNS Beacon IdleN/A
Beacon JitterN/A
dns-beacon.strategy_fail_seconds-1
dns-beacon.strategy_rotate_seconds-1
dns-beacon.strategy_fail_x-1
HTTP GET URIus-system89[.]com,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,149[.]28[.]204[.]170,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
HTTP POST URI/N4215/adj/amzn.us.sr.aps
Max GET Size1048576
Port443
post-ex.spawnto_x64%windir%\sysnative\rundll32[.]exe
post-ex.spawnto_x86%windir%\syswow64\rundll32[.]exe
process-inject.startrwx64
process-inject.userwx64
process-inject.allocatorN/A
proxy.behavior2 (Use IE settings)
sleeptime5000
useragent_headerMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
uses_cookies1
process-inject.executeCreateThread, SetThreadContext, CreateRemoteThread, RtlCreateUserThread
Watermark457740105
Beacon Stage CleanupN/A
Available for Amazon Prime